2.5 LITER. Muffler & pipe seal. A component which provides a sealing surface at the Exhaust System Resonator. Exhaust Pipe Connector Gasket. Exhaust Pipe to Manifold Gasket. Gasket for Catalytic Converter System. Gasket for Exhaust Muffler. and. and seal. Connector. to Manifold. Catalytic Converter. Center. Converter and. Flange.